Dear UCSC Administrator:
       I  occur to one problem when using Liftover. I try to Liftover human
hg19 to rhesus RheMac2 with the strand info.
The human test data:
chr17 20786657 20786661 humantest 100 +
After Liftovering to RheMac2 (-multiple), the result is:
chr16 19897426 19897428 humantest 1 -
chr16 19897421 19897423 humantest 2 +

But  I split the human data (chr17 20786657 20786661) into:
chr17 20786657 20786659 humantest11 100 +
chr17 20786659 20786661 humantest22 100 +
The Liftovering result is
chr16 19897426 19897428 humantest11 1 -
chr16 19897421 19897423 humantest22 1 -
what is the reason for the strand difference of the two Liftover running?
The second Liftover running is consistent with the hg19-RheMac2 net
alignment .
   Thanks very much!
Best Wishes!
Jiannan
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